Authors & Presenters

Jeffry Overlie is an International Baccalaureate coordinator for Fridley Public Schools in Minnesota. He also works as an adjunct professor of education at Bethel University.

Karen Power is an educational presenter and a former teacher, principal, superintendent, and senior advisor for professional learning and leadership. Karen has implemented the PLC process both as a principal and as a superintendent, and for several years, she has supported collaborative work in schools to meet the needs of students.

Douglas Reeves, PhD, has worked with education, business, nonprofit, and government organizations throughout the world. He is the author of more than 30 books and more than 100 articles on leadership and organizational effectiveness.

Anthony Reibel hails from Adlai E. Stevenson High School in Illinois and is the current assistant principal for teaching and learning. Anthony is also coauthor of several books: Proficiency-Based Assessment, Proficiency-Based Instruction, Proficiency-Based Grading in the Content Areas, and Pathways to Proficiency which explore the relationship between proficiency, pedagogy, and evidence-based grading.

Beth Parrott Reynolds, PhD, an experienced classroom teacher, principal, assistant superintendent, and statewide performance consultant, is now a consultant who specializes in common core standards, assessment, and grading.

Samuel Ritchie is a consultant with 35 years of experience as a practitioner. For most of those years, he was the director of technology at Adlai E. Stevenson High School in Illinois.

Ainsley B. Rose is an author, a presenter, and a consultant. An experienced elementary and secondary teacher and principal, he is former director of education for the Western Quebec School Board.

Tom Schimmer is an author and a speaker with expertise in assessment, grading, leadership, and behavioral support. He is a former district-level leader, school administrator, and teacher.

Sarah Schuhl specializes in professional learning communities, mathematics, assessment, school improvement, and RTI. She has been a secondary mathematics teacher, high school instructional coach, and K–12 mathematics specialist.

Rea Smith is a mathematics facilitator in northwest Arkansas. She passionately supports the work of professional learning communities with a focus on common assessments to improve student and teacher learning.